OMG!! Slow cooker Kalua pulled pork. 1 (6 pound) pork butt roast 3 Tbsp Hawaiian sea salt 3 Tbsp liquid smoke flavoring Pierce pork all over with a fork. Combine liquid smoke and salt. Rub mixture over meat. Place roast in a slow cooker. Cover, and cook on low for 16 to 20 hours, turning once during cooking time. Remove meat from slow cooker and shred.